ATE95160T1 - Verfahren zur gewinnung von milchsaeure aus loesungen, die sie enthalten. - Google Patents
Verfahren zur gewinnung von milchsaeure aus loesungen, die sie enthalten.Info
- Publication number
- ATE95160T1 ATE95160T1 AT89313557T AT89313557T ATE95160T1 AT E95160 T1 ATE95160 T1 AT E95160T1 AT 89313557 T AT89313557 T AT 89313557T AT 89313557 T AT89313557 T AT 89313557T AT E95160 T1 ATE95160 T1 AT E95160T1
- Authority
- AT
- Austria
- Prior art keywords
- lactic acid
- aqueous
- organic
- octol
- complexing agent
- Prior art date
Links
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 title abstract 10
- 235000014655 lactic acid Nutrition 0.000 title abstract 5
- 239000004310 lactic acid Substances 0.000 title abstract 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- 239000012736 aqueous medium Substances 0.000 abstract 2
- 239000008139 complexing agent Substances 0.000 abstract 2
- 239000012074 organic phase Substances 0.000 abstract 2
- 239000003960 organic solvent Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- UPSVYNDQEVZTMB-UHFFFAOYSA-N 2-methyl-1,3,5-trinitrobenzene;1,3,5,7-tetranitro-1,3,5,7-tetrazocane Chemical compound CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O.[O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)CN([N+]([O-])=O)C1 UPSVYNDQEVZTMB-UHFFFAOYSA-N 0.000 abstract 1
- -1 alkane hydrocarbons Chemical class 0.000 abstract 1
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8823057A IT1227895B (it) | 1988-12-22 | 1988-12-22 | Processo per il recupero di acido lattico da soluzioni che lo contengono |
| EP89313557A EP0375463B1 (de) | 1988-12-22 | 1989-12-22 | Verfahren zur Gewinnung von Milchsäure aus Lösungen, die sie enthalten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE95160T1 true ATE95160T1 (de) | 1993-10-15 |
Family
ID=11203327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT89313557T ATE95160T1 (de) | 1988-12-22 | 1989-12-22 | Verfahren zur gewinnung von milchsaeure aus loesungen, die sie enthalten. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5089664A (de) |
| EP (1) | EP0375463B1 (de) |
| JP (1) | JPH02221243A (de) |
| AT (1) | ATE95160T1 (de) |
| AU (1) | AU623719B2 (de) |
| BR (1) | BR8906651A (de) |
| CA (1) | CA2005921A1 (de) |
| DE (1) | DE68909573T2 (de) |
| ES (1) | ES2045477T3 (de) |
| HU (1) | HU202816B (de) |
| IL (1) | IL92806A0 (de) |
| IT (1) | IT1227895B (de) |
| NO (1) | NO171846C (de) |
| SU (1) | SU1836326A3 (de) |
| ZA (1) | ZA899741B (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5426219A (en) * | 1993-07-26 | 1995-06-20 | A.E. Staley Manufacturing Co. | Process for recovering organic acids |
| US5766439A (en) * | 1996-10-10 | 1998-06-16 | A. E. Staley Manufacturing Co. | Production and recovery of organic acids |
| US6153791A (en) * | 1999-08-02 | 2000-11-28 | Archer-Daniels-Midland Company | Process for purifying 2-keto-L-gulonic acid |
| US6509179B1 (en) | 2000-10-12 | 2003-01-21 | Barbara I. Veldhuis-Stribos | Continuous process for preparing lactic acid |
| WO2010097681A1 (en) | 2009-02-25 | 2010-09-02 | Council Of Scientific & Industrial Research | A polybenzimidazole based membrane for deacidification |
| EP2609989A1 (de) | 2010-08-19 | 2013-07-03 | Companhia Refinadora da Amazônia | Verfahren zur gewinnung von milchsäure mit einem hohen reinheitsgrad aus einer fermentierungsflüssigkeit |
| WO2012021956A1 (pt) * | 2010-08-19 | 2012-02-23 | Companhia Refinadora Da Amazônia | Processo de obtenção de ácido lático com elevado grau de pureza a partir de licor fermentativo |
| CN102659563B (zh) * | 2012-03-06 | 2014-09-17 | 河南金丹乳酸科技股份有限公司 | 从重相乳酸中提取乳酸的有机萃取相 |
| CN102643191B (zh) * | 2012-03-28 | 2014-08-06 | 河南金丹乳酸科技股份有限公司 | 重相乳酸处理工艺 |
| WO2015034036A1 (ja) * | 2013-09-06 | 2015-03-12 | 東レ株式会社 | 乳酸およびポリ乳酸の製造方法 |
| CN115724735A (zh) * | 2021-08-27 | 2023-03-03 | 上海凯赛生物技术股份有限公司 | 一种分离提取乳酸的方法、乳酸产品及其制备方法、乳酸钙颗粒的制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1906068A (en) * | 1931-03-02 | 1933-04-25 | Grasselli Chemical Co | Lactic acid |
| US2092494A (en) * | 1933-12-09 | 1937-09-07 | Dow Chemical Co | Purification of alpha-hydroxy-aliphatic acids |
| DE1468126A1 (de) * | 1962-04-26 | 1968-12-05 | Knapsack Ag | Verfahren zur kontinuierlichen Gewinnung,Reinigung und Isolierung von Milchsaeure |
| US3980702A (en) * | 1974-05-06 | 1976-09-14 | The Dow Chemical Company | Extraction of carboxylic acids from dilute aqueous solutions |
| DE3415141A1 (de) * | 1984-04-21 | 1985-10-31 | Basf Ag, 6700 Ludwigshafen | Verfahren zur isolierung von milchsaeure aus feststoffhaltigen waessrigen loesungen |
-
1988
- 1988-12-22 IT IT8823057A patent/IT1227895B/it active
-
1989
- 1989-12-19 US US07/452,340 patent/US5089664A/en not_active Expired - Fee Related
- 1989-12-19 CA CA002005921A patent/CA2005921A1/en not_active Abandoned
- 1989-12-19 ZA ZA899741A patent/ZA899741B/xx unknown
- 1989-12-19 AU AU47108/89A patent/AU623719B2/en not_active Ceased
- 1989-12-20 IL IL92806A patent/IL92806A0/xx not_active IP Right Cessation
- 1989-12-21 NO NO895197A patent/NO171846C/no unknown
- 1989-12-21 BR BR898906651A patent/BR8906651A/pt not_active Application Discontinuation
- 1989-12-21 HU HU896724A patent/HU202816B/hu not_active IP Right Cessation
- 1989-12-21 SU SU894742831A patent/SU1836326A3/ru active
- 1989-12-22 EP EP89313557A patent/EP0375463B1/de not_active Expired - Lifetime
- 1989-12-22 DE DE89313557T patent/DE68909573T2/de not_active Expired - Fee Related
- 1989-12-22 AT AT89313557T patent/ATE95160T1/de not_active IP Right Cessation
- 1989-12-22 ES ES89313557T patent/ES2045477T3/es not_active Expired - Lifetime
- 1989-12-22 JP JP1334661A patent/JPH02221243A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NO171846C (no) | 1993-05-12 |
| IT1227895B (it) | 1991-05-14 |
| HUT52748A (en) | 1990-08-28 |
| NO171846B (no) | 1993-02-01 |
| EP0375463A1 (de) | 1990-06-27 |
| IT8823057A0 (it) | 1988-12-22 |
| NO895197L (no) | 1990-06-25 |
| AU623719B2 (en) | 1992-05-21 |
| EP0375463B1 (de) | 1993-09-29 |
| AU4710889A (en) | 1990-06-28 |
| CA2005921A1 (en) | 1990-06-22 |
| DE68909573D1 (de) | 1993-11-04 |
| NO895197D0 (no) | 1989-12-21 |
| DE68909573T2 (de) | 1994-01-27 |
| JPH02221243A (ja) | 1990-09-04 |
| HU896724D0 (en) | 1990-03-28 |
| IL92806A0 (en) | 1990-09-17 |
| US5089664A (en) | 1992-02-18 |
| ZA899741B (en) | 1990-09-26 |
| BR8906651A (pt) | 1990-09-11 |
| ES2045477T3 (es) | 1994-01-16 |
| SU1836326A3 (en) | 1993-08-23 |
| HU202816B (en) | 1991-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |